#2F73BB#2F73BB

#2F73BB is a mid, vivid cyan. Relative luminance 0.165; OKLCH L 54.8% C 0.132 H 252.5°. Best body text is #FFFFFF at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#2F73BB
RGB	rgb(47, 115, 187)
HSL	hsl(211, 60%, 46%)
HSV	hsv(211, 75%, 73%)
CMYK	cmyk(74.9%, 38.5%, 0%, 26.7%)
CIE-LAB	lab(47.56, 3.64, -44.01)
CIE-LCH	lch(47.56, 44.16, 274.73°)
OKLab	oklab(54.83% -0.0395 -0.1255)
OKLCH	oklch(54.83% 0.132 252.5)
XYZ	xyz(16.2693, 16.4518, 49.3221)
Luminance	0.1645 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F73BB #BB772F

analogous

#2FB9BB #2F73BB #312FBB

triadic

#2F73BB #BB2F73 #73BB2F

tetradic

#2F73BB #BB2FB9 #BB772F #2FBB31

square

#2F73BB #BB2FB9 #BB772F #2FBB31

split-complementary

#2F73BB #BB312F #B9BB2F

monochromatic

#163759 #23558A #2F73BB #5392D4 #84B1E0

Accessibility & contrast

On white

4.89

#2F73BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.29

#2F73BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2F73BB

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F73BB	#FFFFFF	#000000	##FFFFFF
##2F73BB	1.00	4.89	4.29	4.89
#FFFFFF	4.89	1.00	21.00	1.00
#000000	4.29	21.00	1.00	21.00
##FFFFFF	4.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5178BE

Deuteranopia (green-blind)

#3C6BBA

Tritanopia (blue-blind)

#00848E

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #2f73bb;
/* rgb */ color: rgb(47, 115, 187);
/* oklch */ color: oklch(54.8% 0.132 252.5);

Tailwind

colors: {
  custom: {
    50: '#7a9ad0',
    500: '#2f73bb',
    950: '#000000',
  },
}

SCSS

$custom: #2f73bb;
$custom-light: #7a9ad0;
$custom-dark: #000000;

JSON

{
  "hex": "#2f73bb",
  "rgb": {
    "r": 47,
    "g": 115,
    "b": 187
  },
  "hsl": {
    "h": 210.857,
    "s": 59.829,
    "l": 45.882
  },
  "oklch": {
    "l": 0.54832,
    "c": 0.13156,
    "h": 252.5
  },
  "luminance": 0.16454
}

Semantic roles & 50–950 ramp

primary

#2F73BB

secondary

#C9A47C

accent

#9645E3

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #2F73BB

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →